Nahum Vishniavsky, M.D.
NPI 1972555373ActiveIndividual· Internal Medicine· Wellesley, MA
Internal Medicine (M.D.) in Wellesley, Massachusetts, trained at Virginia Commonwealth University, School of Medicine (class of 1976). Their prescriptions cost Medicare Part D more than their services did: $281,007 for 3,674 claims, against $566.40 paid for services in 2024.
Overview
| NPI | 1972555373 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Nov 17, 2020 |
| Certified by provider | Nov 17, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 53814 | MA |
| Internal Medicine, Infectious Disease | 207RI0200X | 53814 | MA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 56 across 30 procedure codes |
| Paid by Medicare | $566.40 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,674 · 7,873 30-day fills |
|---|---|
| Patients | 1,572 |
| Total drug cost | $281,007 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 1976 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Infectious Disease |
Medical group
- Atrius Health IncBraintree, MA · 1,222 clinicians
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 96 internal medicine physicians in Wellesley · All internal medicine physicians in Massachusetts